package com.itheima.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.sql.SQLIntegrityConstraintViolationException;

/*
* 全局异常处理
*
* */
@RestControllerAdvice(annotations = {RestController.class, Controller.class})

@Slf4j
public class GlobalExceptionHandler {
    /*
    * 异常处理方法
    * */

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.info(ex.getMessage());

        if (ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg =  split[2] + "已存在";
            return R.error(msg);
        }
        return R.error("未知错误");
    }


    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.info(ex.getMessage());


        return R.error(ex.getMessage());
    }
}
